Foetal Immunity

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Foetal Immunity

AC/1757/17

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1. Complete development of the adaptive immune system is dependent on:

1 point

a. Antigenic stimulation

b. A clean and hygienic environment

c. Good quality colostrum

d. Both A & C

e. All of the above

Clear selection

2. The earliest detectable foetal immune response is directed against:

1 point

a. Bacteria

b. Environmental antigens

c. Maternal endoparasites

d. Viruses

e. Both A & D

Clear selection

3. Blood lymphocytes are first detected in lamb foetus’ by:

1 point

a. Day 19

b. Day 45

c. Day 32

d. Day 55

e. None of the above

Clear selection

4. Placentation of ruminants is classified as:

1 point

a. Epitheliochorial

b. Syndesmochorial

c. Endotheliochorial

d. Hemochorial

e. None of the above

Clear selection

5. Neonatal ruminants, pigs and horses receive their initial antibodies through

1 point

a. Colostrum

b. Transplacental migration

c. The surrounding environment

d. Both A & B

e. Both B &C

Clear selection

6. The predominant immunoglobulin in colostrum is:

1 point

a. IgA

b. IgG

c. IgM

d. IgE

e. None of the above

Clear selection

7. The duration of intestinal permeability to colostrums absorption is dependent on:

1 point

a. Time from birth

b. Presence of receptor-bearing intestinal cells

c. Species

d. Time delay from birth to feeding of colostrum

Clear selection

8. Failure of passive transfer is due to:

1 point

a. Insufficient or poor quality colostrum

b. Failure of absorption of colostrum

c. Inadequate intake of colostrums

d. A & B

e. All of the above

Clear selection

9. Colostrum quality can be measured using:

1 point

a. Serum Agglutination test

b. Elisa

c. Zinc Sulphate turbidity test

d. A & C

e. B & C

Clear selection

10. Foetal infection is shown by:

1 point

a. Neutrophilia

b. Pyrexia

c. High immunoglobulin

d. Lymphoid hyperplasia

e. A & C

Clear selection

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